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2013•Microwave and Optical Technology LettersRequires access

Consideration on offset LO contribution in the phase noise of offset PLL architecture

Joon-Gyu Ryu, Deock‐Gil Oh, Sung‐Yong Hong

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Abstract

ABSTRACT Based on experimental results, the phase noise of offset phase locked loop (PLL) is analyzed theoretically and experimented. Analyses are developed both to calculate the in‐band phase noise of a given synthesizer architecture and to predict the impact from the the phase noise of offset local oscillator (LO). This article verifies that the phase noise of offset LO give a direct impact on the in‐band phase noise of frequency synthesizer. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2699–2701, 2013

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What this paper is about

ABSTRACT Based on experimental results, the phase noise of offset phase locked loop (PLL) is analyzed theoretically and experimented. Analyses are developed both to calculate the in‐band phase noise of a given synthesizer architecture and to predict the impact from the the phase noise of offset local oscillator (LO). This article verifies that the phase noise of offset LO give a direct impact on the in‐band phase noise of frequency synthesizer. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2699–2701, 2013

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Available abstract

ABSTRACT Based on experimental results, the phase noise of offset phase locked loop (PLL) is analyzed theoretically and experimented. Analyses are developed both to calculate the in‐band phase noise of a given synthesizer architecture and to predict the impact from the the phase noise of offset local oscillator (LO). This article verifies that the phase noise of offset LO give a direct impact on the in‐band phase noise of frequency synthesizer. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2699–2701, 2013

Key concepts: Phase noise, Phase-locked loop, Offset (computer science), PLL multibit, Frequency synthesizer, Oscillator phase noise, Electronic engineering, Microwave

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